Description
Item Description:"Printed April, 1997."
"Based on the papers from a technical review on 'The Validity of Self-Reported Drug Use: Improving the Accuracy of Survey Estimates' held on September 8-9, 1994 ... in Gaithersburg, Md."--Title page verso and Foreword.
Physical Description:v, 508 pages : illustrations ; 24 cm.
Bibliography:Includes bibliographical references.